The average score of all students who took a particular statistics class last semester has a mean of 70 and a standard deviation of 3.0. Suppose 64 students who are taking the class this semester are selected at random. Find the probability that the average score of the 36 students exceeds 71.
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We know the population mean (μ) is 70 and the population standard deviation (σ) is 3.0. Show more…
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